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Definitions

heat wave

[heet weyv] / ˈhit ˌweɪv /


Example Sentences

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At sites in extreme climates, or during a heat wave, chill airflow or water evaporation is still necessary.

From Barron's Sep. 7, 2026

Experts had predicted a “sharky summer,” as a marine heat wave, El Niño and climate change combined to create record-high sea surface temperatures.

From Los Angeles Times Sep. 5, 2026

The summer also doubled the previous record number of days above 34 degrees Celsius, or 93 Fahrenheit—14 versus seven in 1976, the year of a notorious heat wave.

From The Wall Street Journal Aug. 31, 2026

Wednesday, which was forecast to be the hottest day of the heat wave, saw record-shattering temperatures across the Southland.

From Los Angeles Times Aug. 27, 2026

A week ago, right at the beginning of the heat wave, the air conditioner in his mother’s attic office had broken.

From "The Lemonade War" by Jacqueline Davies




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